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US20070237653A1 - Air pump for aquariums - Google Patents

Air pump for aquariums Download PDF

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Publication number
US20070237653A1
US20070237653A1 US11/393,810 US39381006A US2007237653A1 US 20070237653 A1 US20070237653 A1 US 20070237653A1 US 39381006 A US39381006 A US 39381006A US 2007237653 A1 US2007237653 A1 US 2007237653A1
Authority
US
United States
Prior art keywords
air
air pump
casing
pump assembly
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/393,810
Inventor
Chiao-Ming Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eiko Electric Products Corp
Original Assignee
Meiko Pet Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meiko Pet Corp filed Critical Meiko Pet Corp
Priority to US11/393,810 priority Critical patent/US20070237653A1/en
Assigned to MEIKO PET CORPORATION reassignment MEIKO PET CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WANG, CHIAO-MING
Publication of US20070237653A1 publication Critical patent/US20070237653A1/en
Assigned to EIKO ELECTRIC PRODUCTS CORP reassignment EIKO ELECTRIC PRODUCTS CORP ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MEIKO PET CORPORATION
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0033—Pulsation and noise damping means with encapsulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/02—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
    • F04B45/022—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows with two or more bellows in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/02—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
    • F04B45/027—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having electric drive

Definitions

  • the invention relates to an air pump for aquariums and particularly to a noise-reducing air pump that has a smaller size to supply air for aquariums.
  • the general aquarium requires an air pump to supply oxygen to the living things bred therein.
  • the air pump compresses air to generate air suction and discharge operations. It is a high speed reciprocal operation and produces irritating noise which becomes an annoyance in the house.
  • Many schemes have been proposed in the prior art trying to resolve this problem. For instance R.O.C. patent publication Nos. 519194 and 416488 (called prior references hereinafter) have a plurality of enlarged air discharge chambers on one side of an air pump to form a muffling chamber to overcome the noise problem.
  • an object of the present invention to provide an air pump for aquariums that can reduce noise and can be made at a smaller size. It has an air pump casing which houses at least one air pump assembly.
  • the air pump assembly has an air delivery duct communicating with a muffling chamber located on an outer bottom side of the base of the air pump casing. Air delivered by the air pump assembly passes through a circuitous path in the muffling chamber. Thus noise can be reduced.
  • the size of the casing also is smaller.
  • FIG. 1 is an exploded view of the invention.
  • FIG. 2 is a perspective view of the invention.
  • FIG. 3 is a sectional view of the invention.
  • FIG. 4 is a schematic view of the circuitous path on the outer bottom side of the invention.
  • FIG. 5 is an exploded view of another embodiment of the invention.
  • FIG. 6 is a perspective view of another embodiment of the invention.
  • FIG. 7 is a sectional view of another embodiment of the invention.
  • FIG. 8 is a schematic view of the circuitous path on the outer bottom side of another embodiment of the invention.
  • the air pump for aquariums of the present invention includes a casing 1 and at least one air pump assembly 2 located in the casing 1 .
  • the casing 1 includes:
  • a upper cap 11 which has a hollow housing chamber 110 , an inner wall 111 with a plurality of fastening struts 112 , 113 and 114 located thereon that have respectively an internal screw hole.
  • the center of the upper cap is fastened to a top plate 115 through a bolt 116 which runs through a center hole 1151 and engages with a fastening bolt 114 ;
  • the base 12 which is coupled with the upper cap 11 to form the casing 1 . It has a plurality of apertures 1211 and 1212 corresponding to the fastening struts 112 and 113 to be fastened by a plurality of bolts 1221 and 1222 .
  • the base 12 has at least one anchor plate 124 on an inner side 120 to install at least one air pump assembly 2 , and at least one opening 123 communicating with a muffling chamber 126 on an outer bottom side 125 of the base 12 .
  • the muffling chamber 126 has a hollow chamber 1260 formed by indenting the outer bottom side 125 and is covered by a bottom lid 128 .
  • the hollow chamber 1260 has a plurality of partitions T formed in a crisscross manner to divide the chamber into a plurality of small air compartments B 1 , B 2 , B 3 , B 4 and B 5 .
  • the neighboring air compartments B 1 , B 2 , B 3 , B 4 and B 5 communicate with each other through vents C 1 , C 2 , C 3 and C 4 to form a circuitous path L for airflow.
  • Air is discharged through an air discharge duct 127 .
  • the air pump assembly 2 includes an air pump 21 and an electromagnetic induction means 22 (this is a structure known in the art).
  • the air pump 21 has a magnetic crank shaft 211 to compress a cap 212 so that air is drawn through an air inlet 2131 of an air chamber 213 and discharged through an air delivery duct 2132 .
  • the air delivery duct 2132 runs through a plug 2133 and is anchored in the opening 123 of the base 12 .
  • the crank shaft 211 of the air pump 21 is driven by the electromagnetic induction means 22 to compress and restore the cap 212 reciprocally to generate air suction and air discharge operations alternately.
  • air is continuously delivered through the air delivery duct 2132 and the opening 123 into the muffling chamber 126 , and enters the small air compartments B 1 , B 2 , B 3 , B 4 and B 5 in this order through the vents C 1 , C 2 , C 3 and C 4 along the circuitous path L.
  • the noise can be reduced.
  • the air is discharged through the air discharge duct 127 to supply the air to an aquarium.
  • the casing 3 of an air pump set A′ houses two sets of air pumps 41 and 42 that is formed by coupling a upper cap 31 and a base 32 .
  • the base 32 has an inner side 320 to hold the air pumps 41 and 42 .
  • the air pumps 41 and 42 have respectively an air delivery duct 411 and 421 .
  • air is discharged through openings 321 and 322 of the base 32 , enters a muffling chamber 326 on an outer bottom side 325 of the base 32 .
  • the muffling chamber 326 has a hollow chamber 3260 formed by indenting the outer bottom side 325 .
  • the hollow chamber 3260 has two circuitous paths L 1 and L 2 to direct airflow, and is fastened to a bottom lid 329 .
  • the circuitous paths L 1 and L 2 correspond to the air pumps 41 and 42 .
  • the circuitous paths L 1 and L 2 have respectively a plurality of partitions T′ to form a plurality of smaller air compartments E 1 , E 2 , E 3 , E 4 , E 5 , E 6 , E 7 and E 8 that are communicated by vents f 1 , f 2 , f 3 , f 4 , f 5 and f 6 .
  • air passes through and is discharged through air discharge ducts 327 and 328 to supply the air for an aquarium.
  • the upper cap 31 of the air pump A′ has at least one cavity dock 313 and 314 to hold at least one adjusting knob 311 and 312 . They are used to adjust and control intake airflow passing through air inlets 412 and 422 of the air pumps 41 and 42 , thereby to control the discharged airflow.
  • the invention adopts a muffling chamber located on an outer bottom side of the air pump base to reduce noise without increasing the size of the air pump assembly.
  • the casing can also be shrunk.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

An air pump for aquariums to reduce noise and shrink the casing includes at least one air pump assembly in the casing. The air pump assembly has an air delivery duct communicating with a muffling chamber located on an outer bottom side of the base of the casing. Air discharged by the air pump assembly passes through a circuitous path in the muffling chamber. Thus noise can be reduced. The casing also can be shrunk to a smaller size.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The invention relates to an air pump for aquariums and particularly to a noise-reducing air pump that has a smaller size to supply air for aquariums.
  • 2. Description of the Prior Art
  • The general aquarium requires an air pump to supply oxygen to the living things bred therein. The air pump compresses air to generate air suction and discharge operations. It is a high speed reciprocal operation and produces irritating noise which becomes an annoyance in the house. Many schemes have been proposed in the prior art trying to resolve this problem. For instance R.O.C. patent publication Nos. 519194 and 416488 (called prior references hereinafter) have a plurality of enlarged air discharge chambers on one side of an air pump to form a muffling chamber to overcome the noise problem.
  • While the prior references can reduce the noise, they create other problems, notably:
      • 1. Adding the muffling chambers increases the size of the air pump. The casing of the air pump assembly also is larger. As a result, fabrication cost is higher. The product is not competitive.
      • 2. The larger air pump takes a lot of space in the aquarium. The overall appealing of the aquarium is affected.
      • 3. The muffling chamber is located on one side of the air pump assembly. It is constrained by the limited space and cannot provide desired noise reducing function.
    SUMMARY OF THE INVENTION
  • In view of the aforesaid problems, it is an object of the present invention to provide an air pump for aquariums that can reduce noise and can be made at a smaller size. It has an air pump casing which houses at least one air pump assembly. The air pump assembly has an air delivery duct communicating with a muffling chamber located on an outer bottom side of the base of the air pump casing. Air delivered by the air pump assembly passes through a circuitous path in the muffling chamber. Thus noise can be reduced. The size of the casing also is smaller.
  • The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is an exploded view of the invention.
  • FIG. 2 is a perspective view of the invention.
  • FIG. 3 is a sectional view of the invention.
  • FIG. 4 is a schematic view of the circuitous path on the outer bottom side of the invention.
  • FIG. 5 is an exploded view of another embodiment of the invention.
  • FIG. 6 is a perspective view of another embodiment of the invention.
  • FIG. 7 is a sectional view of another embodiment of the invention.
  • FIG. 8 is a schematic view of the circuitous path on the outer bottom side of another embodiment of the invention.
    • DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Referring to FIGS. 1 through 4, the air pump for aquariums of the present invention includes a casing 1 and at least one air pump assembly 2 located in the casing 1.
  • The casing 1 includes:
  • a upper cap 11 which has a hollow housing chamber 110, an inner wall 111 with a plurality of fastening struts 112, 113 and 114 located thereon that have respectively an internal screw hole. The center of the upper cap is fastened to a top plate 115 through a bolt 116 which runs through a center hole 1151 and engages with a fastening bolt 114; and
  • a base 12 which is coupled with the upper cap 11 to form the casing 1. It has a plurality of apertures 1211 and 1212 corresponding to the fastening struts 112 and 113 to be fastened by a plurality of bolts 1221 and 1222. The base 12 has at least one anchor plate 124 on an inner side 120 to install at least one air pump assembly 2, and at least one opening 123 communicating with a muffling chamber 126 on an outer bottom side 125 of the base 12. The muffling chamber 126 has a hollow chamber 1260 formed by indenting the outer bottom side 125 and is covered by a bottom lid 128. The hollow chamber 1260 has a plurality of partitions T formed in a crisscross manner to divide the chamber into a plurality of small air compartments B1, B2, B3, B4 and B5. The neighboring air compartments B1, B2, B3, B4 and B5 communicate with each other through vents C1, C2, C3 and C4 to form a circuitous path L for airflow. Air is discharged through an air discharge duct 127.
  • The air pump assembly 2 includes an air pump 21 and an electromagnetic induction means 22 (this is a structure known in the art).The air pump 21 has a magnetic crank shaft 211 to compress a cap 212 so that air is drawn through an air inlet 2131 of an air chamber 213 and discharged through an air delivery duct 2132. The air delivery duct 2132 runs through a plug 2133 and is anchored in the opening 123 of the base 12.
  • By means of the construction set forth above, when in use, the crank shaft 211 of the air pump 21 is driven by the electromagnetic induction means 22 to compress and restore the cap 212 reciprocally to generate air suction and air discharge operations alternately. Hence air is continuously delivered through the air delivery duct 2132 and the opening 123 into the muffling chamber 126, and enters the small air compartments B1, B2, B3, B4 and B5 in this order through the vents C1, C2, C3 and C4 along the circuitous path L. The noise can be reduced. Finally the air is discharged through the air discharge duct 127 to supply the air to an aquarium.
  • Referring to FIGS. 5 through 8 for another embodiment of the invention. The casing 3 of an air pump set A′ houses two sets of air pumps 41 and 42 that is formed by coupling a upper cap 31 and a base 32. The base 32 has an inner side 320 to hold the air pumps 41 and 42. The air pumps 41 and 42 have respectively an air delivery duct 411 and 421. During operation of the air pumps 41 and 42, air is discharged through openings 321 and 322 of the base 32, enters a muffling chamber 326 on an outer bottom side 325 of the base 32. The muffling chamber 326 has a hollow chamber 3260 formed by indenting the outer bottom side 325. The hollow chamber 3260 has two circuitous paths L1 and L2 to direct airflow, and is fastened to a bottom lid 329. The circuitous paths L1 and L2 correspond to the air pumps 41 and 42. The circuitous paths L1 and L2 have respectively a plurality of partitions T′ to form a plurality of smaller air compartments E1, E2, E3, E4, E5, E6, E7 and E8 that are communicated by vents f1, f2, f3, f4, f5 and f6. Hence air passes through and is discharged through air discharge ducts 327 and 328 to supply the air for an aquarium.
  • In yet another embodiment of the invention, the upper cap 31 of the air pump A′ has at least one cavity dock 313 and 314 to hold at least one adjusting knob 311 and 312. They are used to adjust and control intake airflow passing through air inlets 412 and 422 of the air pumps 41 and 42, thereby to control the discharged airflow.
  • In short, the invention adopts a muffling chamber located on an outer bottom side of the air pump base to reduce noise without increasing the size of the air pump assembly. As a result, the casing can also be shrunk.

Claims (4)

1. An air pump for an aquarium comprising a casing and at least one air pump assembly located in the casing, wherein:
the casing includes:
a upper cap which has a hollow housing chamber; and
a base which is coupled with the upper cap to form the casing, and has an inner side to install the air pump assembly, at least one opening and a muffling chamber located on an outer bottom side, the muffling chamber having a hollow chamber formed by indenting the outer bottom side and covered by a bottom lid, and having a plurality of partitions to divide the chamber into a plurality of small air compartments, the neighboring air compartments communicating with each other through vents to form at least one circuitous path for airflow which is discharged through an air discharge duct.
2. The air pump of claim 1, wherein the air pump assembly includes at least one air inlet and at least one air delivery duct which runs through a plug and anchored in the opening of the base.
3. The air pump of claim 1, wherein the upper cap has an inner wall which has a plurality of fastening struts located therein, each of the fastening struts having an internal screw thread.
4. The air pump of claim 1, wherein the upper cap has at least one cavity dock to install at least one adjusting knob.
US11/393,810 2006-03-31 2006-03-31 Air pump for aquariums Abandoned US20070237653A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/393,810 US20070237653A1 (en) 2006-03-31 2006-03-31 Air pump for aquariums

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US11/393,810 US20070237653A1 (en) 2006-03-31 2006-03-31 Air pump for aquariums

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019124130A1 (en) * 2017-12-18 2019-06-27 日東工器株式会社 Fluid device and buffer tank for same
WO2021081622A1 (en) 2019-11-01 2021-05-06 Leggett & Platt Canada Co. Pump noise attenuator and method thereof
US12247562B2 (en) 2019-11-01 2025-03-11 Leggett & Platt Canada Co. Pump noise attenuator and method thereof

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788170A (en) * 1953-11-02 1957-04-09 Ochiai Aquarium aerator
US3009628A (en) * 1959-06-20 1961-11-21 Erwin Kolfertz App Bau Venting apparatus for aquariums
US3825374A (en) * 1972-03-09 1974-07-23 R Kondo Air supply device
US4608000A (en) * 1983-12-29 1986-08-26 Kabushiki Kaisha Tominaga Jyushikogyosho Air pump
US4792293A (en) * 1987-09-21 1988-12-20 Meiko Pet Corporation Air pump assembly for a fish bowl
US5137433A (en) * 1990-05-29 1992-08-11 Willinger Bros., Inc. Aquarium power head with integral muffler
US5360323A (en) * 1993-05-04 1994-11-01 Hsieh Ting Shin Aquarium air pump
US5702236A (en) * 1994-02-23 1997-12-30 Kabushiki Kaisha Toyoda Jiboshokki Seisakusho Reciprocating piston type compressor having a discharge chamber with a plurality of pulsation attenuating subchambers
US5711656A (en) * 1996-10-29 1998-01-27 Tsai; Hsien-Tang Aquarium pump having silencing effect
US5997258A (en) * 1994-05-31 1999-12-07 Bristol Compressors, Inc. Low noise refrigerant compressor having closed shells and sound absorbing spacers
US20020114711A1 (en) * 2001-02-22 2002-08-22 Chiao-Ming Wang Air pump with noise silence arrangement
US6568920B2 (en) * 2001-08-21 2003-05-27 Delphi Technologies, Inc. Manifold assembly for a compressor
US20050106039A1 (en) * 2003-10-02 2005-05-19 Torrington Research Co. Blower muffler and vibration isolation
US7083395B2 (en) * 2002-05-15 2006-08-01 Romaine Maiefski Pump system for pumping liquefied gases
US20080066482A1 (en) * 2006-09-14 2008-03-20 Balthasar Schillemeit Refrigerant compressor provided with a sound damper for an air condtioning unit

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788170A (en) * 1953-11-02 1957-04-09 Ochiai Aquarium aerator
US3009628A (en) * 1959-06-20 1961-11-21 Erwin Kolfertz App Bau Venting apparatus for aquariums
US3825374A (en) * 1972-03-09 1974-07-23 R Kondo Air supply device
US4608000A (en) * 1983-12-29 1986-08-26 Kabushiki Kaisha Tominaga Jyushikogyosho Air pump
US4792293A (en) * 1987-09-21 1988-12-20 Meiko Pet Corporation Air pump assembly for a fish bowl
US5137433A (en) * 1990-05-29 1992-08-11 Willinger Bros., Inc. Aquarium power head with integral muffler
US5360323A (en) * 1993-05-04 1994-11-01 Hsieh Ting Shin Aquarium air pump
US5702236A (en) * 1994-02-23 1997-12-30 Kabushiki Kaisha Toyoda Jiboshokki Seisakusho Reciprocating piston type compressor having a discharge chamber with a plurality of pulsation attenuating subchambers
US5997258A (en) * 1994-05-31 1999-12-07 Bristol Compressors, Inc. Low noise refrigerant compressor having closed shells and sound absorbing spacers
US5711656A (en) * 1996-10-29 1998-01-27 Tsai; Hsien-Tang Aquarium pump having silencing effect
US20020114711A1 (en) * 2001-02-22 2002-08-22 Chiao-Ming Wang Air pump with noise silence arrangement
US6485270B2 (en) * 2001-02-22 2002-11-26 Meiko Pet Corporation Air pump with noise silence arrangement
US6568920B2 (en) * 2001-08-21 2003-05-27 Delphi Technologies, Inc. Manifold assembly for a compressor
US7083395B2 (en) * 2002-05-15 2006-08-01 Romaine Maiefski Pump system for pumping liquefied gases
US20050106039A1 (en) * 2003-10-02 2005-05-19 Torrington Research Co. Blower muffler and vibration isolation
US20080066482A1 (en) * 2006-09-14 2008-03-20 Balthasar Schillemeit Refrigerant compressor provided with a sound damper for an air condtioning unit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019124130A1 (en) * 2017-12-18 2019-06-27 日東工器株式会社 Fluid device and buffer tank for same
JPWO2019124130A1 (en) * 2017-12-18 2019-12-19 日東工器株式会社 Fluid device and its buffer tank
US20200318771A1 (en) * 2017-12-18 2020-10-08 Nitto Kohki Co., Ltd. Fluid apparatus and buffer tank for use therein
WO2021081622A1 (en) 2019-11-01 2021-05-06 Leggett & Platt Canada Co. Pump noise attenuator and method thereof
EP4051904A4 (en) * 2019-11-01 2024-01-31 Leggett & Platt Canada Co. PUMP NOISE ATTENUATOR AND METHOD THEREFOR
US12247562B2 (en) 2019-11-01 2025-03-11 Leggett & Platt Canada Co. Pump noise attenuator and method thereof
US12338812B2 (en) 2019-11-01 2025-06-24 Leggett & Platt Canada Co. Pump noise attenuator and method thereof

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Legal Events

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AS Assignment

Owner name: MEIKO PET CORPORATION, TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WANG, CHIAO-MING;REEL/FRAME:017761/0058

Effective date: 20060313

AS Assignment

Owner name: EIKO ELECTRIC PRODUCTS CORP, TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MEIKO PET CORPORATION;REEL/FRAME:021403/0104

Effective date: 20080620

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION